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20 Interesting scientific fact (PART 5)

1/ At over 2000 kilometres long The Great Barrier Reef is the largest living structure on Earth.

2/ A thimbleful of a neutron star would weigh over 100 million tons.

3/ The risk of being struck by a falling meteorite for a human is one occurence every 9,300 years.

4/ The driest inhabited place in the world is Aswan, Egypt where the annual average rainfall is .02 inches.

5/ The deepest part of any ocean in the world is the Mariana trench in the Pacific with a depth of 35,797 feet.

6/ The largest meteorite craters in the world are in Sudbury, Ontario, canada and in Vredefort, South Africa.

7/ The largest desert in the world, the Sahara, is 3,500,000 square miles.

8/ The largest dinosaur ever discovered was Seismosaurus who was over 100 feet long and weighed up to 80 tonnes.

9/ The African Elephant gestates for 22 months.

10/ The short-nosed Bandicoot has a gestation period of only 12 days.

11/ The mortality rate if bitten by a Black Mamba snake is over 95%.

12/ In the 14th century the Black Death killed 75,000,000 people. It was carried by fleas on the black rat.

13/ A dog's sense of smell is 1,000 times more sensitive than a humans.

14/ A typical hurricane produces the nergy equivalent to 8,000 one megaton bombs.

15/ 90% of those who die from hurricanes die from drowning.

16/ To escape the Earth's gravity a rocket need to travel at 7 miles a second.

17/ If every star in the Milky Way was a grain of salt they would fill an Olympic sized swimming pool.

18/ Microbial life can survive on the cooling rods of a nuclear reactor.

19/ Micro-organisms have been brought back to life after being frozen in perma-frost for three million years.

20/ Our oldest radio broadcasts of the 1930s have already travelled past 100,000 stars

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